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Old 04-23-2008, 03:55 PM   #1
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homemade turbo kit, couple questions

hey i bought a kit from my friend who had it on his 98 eclipse, i say had cuz he blew his motor and sold me the kit for dirt cheap(140$), whole kit, minus the exhaust manifold and downpipe, which i am working on getting.
my questions are these: for the oil feed line, where off of the block would be the best place to run it?
do our vehicles need to use a fuel cut eliminator? idreally know anything about these, my friend just told me to ask
also, will i get MAF sensor bog, if i retain my MAF, or would it be best taking off? once again i have no idea.
and finally, where is the oil pressure sensor? i will be needin it for a gauge, and i have no idea where it is.

any help is hugely appreciated, thanks


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Old 04-23-2008, 04:20 PM   #2
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As far as I know, there are two (three, really) places to attach an oil feed line. One is in the back of the block by the oil filter. There's an oil pressure sending unit there that you would need to tee off from. There's another in the back of the block, more towards the driver side of the engine block. A third choice is in the head right under the coil pack. There's a torx bolt there.

For your fuel/MAF question, you really need to just get the car tuned by a good Focus tuner. You shouldn't need to modify the fuel system, other than getting sufficiently sized injectors. You definitely need to keep the MAF sensor.

There's no oil pressure sensor that you can just attach a gauge to. With a mechanical gauge, just run the line to one of the three ports I mentioned above. With an electric gauge, attach the sending unit to one of the ports. I would highly recommend an electric gauge, otherwise you'll have hot, high-pressure oil coming into your cabin.
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Old 04-23-2008, 06:17 PM   #3
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yes make sure its an electrical gauge.

Get a 3" MAF Housing from "TOM" (1Turbofocus)
Get a MAFia from CFM

Use your stock MAF and make sure its a blow threw not draw threw
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Old 04-23-2008, 10:24 PM   #4
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Originally Posted by Jholewin View Post
As far as I know, there are two (three, really) places to attach an oil feed line. One is in the back of the block by the oil filter. There's an oil pressure sending unit there that you would need to tee off from. There's another in the back of the block, more towards the driver side of the engine block. A third choice is in the head right under the coil pack. There's a torx bolt there.would i just replace the torx bolt with a bung?

For your fuel/MAF question, you really need to just get the car tuned by a good Focus tuner. You shouldn't need to modify the fuel system, other than getting sufficiently sized injectors. You definitely need to keep the MAF sensor.i was plannin on keeping the stock injectors for now, as i will only be running 8#, i have an aftermarket MAF that is on my aem cai, would i still need to buy one? also i am taking it to Mcknews auto in PA, they do alot of foci.
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Get a 3" MAF Housing from "TOM" (1Turbofocus)
Get a MAFia from CFMwhats a MAFia?

Use your stock MAF and make sure its a blow threw not draw threwpretty sure its a blow thru, but dont know how to tell
wish it was all easier
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Old 04-23-2008, 11:01 PM   #5
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For 8 pounds of boost you're still going to need higher flow fuel injectors...36 lb/hr at the minimum IIRC. Really its stupid to skimp on injectors, a few extra dollars now could save you from having to buy/build a new engine down the road. When you're boosting its better to have more fuel than you need.

A MAFia recalibrates your MAF to meter higher volumes of air...often when you start boosting its easy to max out the range on a stock MAF, resulting in a lean condition and holes being torched in your pistons/valves/both.

If your MAF is set as blow through the turbo is literally blowing the air through it. If its draw through the turbo is drawing air through it.
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Old 04-24-2008, 08:44 PM   #6
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ok...still kinda confused on the MAF....

would mid twenties LB/HR be ok?
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Old 04-24-2008, 09:11 PM   #7
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If the MAF is before air reaches the turbo then its DRAW threw. As the turbo is sucking air threw the MAF.


If the MAF is after the turbo, after the Intercooler, and right before the Throttle Body then the Turbo is pushing/blowing air threw it. Blow threw is much more accurate air reading than draw threw. The MAF will read correct IAT's as things change from when its read as a draw threw.

Understand?
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Old 04-24-2008, 09:16 PM   #8
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but thats why you have on a draw threw is a temp sensor before the TB and having the MAF before the Turbo. So you can get IAT and correcty tune said car
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Old 04-24-2008, 09:17 PM   #9
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This is blow threw see how its after the turbo right before the Throttle Body?

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Old 04-24-2008, 09:19 PM   #10
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This is draw threw, see how its on the pipe before the turbo? Then the charge pipe goes to the throttle Body right next to it?


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